COMEDK 2023 Morning Shift
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Which defect leads to decrease in the density of crystal?
A TV tower has a height \(72 \mathrm{~m}\). The maximum distance upto which TV transmission can be received is (Take, radius of the earth as \(\left.6.4 \times 10^6 \mathrm{~m}\right)\)
If \(A=\{a, b, c\}, B=\{b, c, d\}\) and \(C=\{a, d, c\}\) then \((A-B) \times(B \cap C)\) is equal to
\(\mathrm{NaCl}\) has face centred structure with edge length equal to \(361 \mathrm{~pm}\). The radius is
The sides of a parallelogram are represented by vectors \(\vec{p}=5 \hat{\mathbf{i}}-4 \hat{\mathbf{j}}+3 \hat{\mathbf{k}}\) and \(\vec{q}=3 \hat{\mathbf{i}}+2 \hat{\mathbf{j}}-\hat{\mathbf{k}}\). Then, the area of the parallelogram is
If \(n(A)=p\) and \(n(B)=q\), then the numbers of relations from the set \(A\) to the set \(B\) is